Do acid foods cause you bladder pain or urinary urgency? New package, Same formula! A medical food for the dietary management of interstitial cystitis. Reduces up to 95% of acid from top trigger foods (A single Prelief caplet reduces the acid in a 6 oz cup of coffee by 95%. Visit www.prelief.com for a list of foods and % acid reduction by using Prelief). Enjoy your favorite meals without flare-up! Recommended by urologists. Use under medical supervision. No prescription required. From the developers of Lactaid & Beano (Lactaid is a registered trademark of McNeil Nutritionals, LLC. Beano is a registered trademark of Prestige Brand Holdings). Taking Prelief with acidic foods can help stop them from causing bladder pain and urinary urgency.